Home / 43,539.12-65,308.68-10,707.12

Finding the Fourth Proportional to 43,539.12, 65,308.68 and 10,707.12

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Solution

The fourth proportional to 43,539.12, 65,308.68 and 10,707.12 is: 16,060.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,539.12 : 65,308.68 = 10,707.12 : x
  2. Step 2: Convert to fraction form
    43,539.12/65,308.68 = 10,707.12/x
  3. Step 3: Cross multiply
    43,539.12x = 65,308.68 × 10,707.12
  4. Step 4: Simplify right side
    43,539.12x = 699,267,873.80
  5. Step 5: Solve for x
    x = 699,267,873.80/43,539.12
  6. Step 6: Final answer
    x = 16,060.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.